update font

app.py

@@ -96,12 +96,12 @@ class Demo:
 
         draw = ImageDraw.Draw(image)
         # Set settings for the fonts
-        font_title = ImageFont.truetype(ImageFont.load_default(), 32)
+        font_title = ImageFont.truetype("Ubuntu-R.ttf", 32)
         title_width, title_height = draw.textsize(title, font=font_title)
         title_x = (canvas_size - title_width) // 2
         title_y = (canvas_size - title_height) // 2 - 100
 
-        font_undertitle = ImageFont.truetype(ImageFont.load_default(), 15)
+        font_undertitle = ImageFont.truetype("Ubuntu-R.ttf", 15)
         text_width, text_height = draw.textsize(undertitle, font=font_undertitle)
         undertitle_x = (canvas_size - text_width) // 2
         undertitle_y = (canvas_size - text_height) // 2 - 50